求翻译：考察样品的稳定性，初步推测本品的有效期，并且考察包装材料对药品质量的影响，将瓶装药品在室温六个月和温度37～40℃、相对湿度75％条件下加速试验三个月，结果显示在正常室温稳定性和加速稳定性的考察期内样品各项质量检查指标均符合规定；表明样品稳定性良好，包装材料对样品亦无不良影响；推测本品的有效期为18个月。是什么意思？

Investigation samples of stability, preliminary speculated this products of validity, and investigation packaging material on drug quality of effect, will bottled drug in at room temperature six months and temperature 37~40℃, and relative humidity 75% conditions Xia accelerated test three months, re

Visit the stability samples, preliminary estimates that the product is valid, and packaging materials for pharmaceutical quality inspection, and the impact will be bottled medicines 6 months at room temperature and temperature and relative humidity 37 ~ 40 °C 75 % conditions, Accelerated testing res

The inspection sample stability, extrapolates this term of validity initially, and the inspection packing material to the drugs quality influence, the bottled drugs in the room temperature six months and

Investigation samples of stability, preliminary speculated this products of validity, and investigation packaging material on drug quality of effect, will bottled drug in at room temperature six months and temperature 37~40℃, and relative humidity 75% conditions Xia accelerated test three months, re